Dimensional data is subject to manufacturing tolerances and change without notice.
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| Pipe Size (in.) |
Approx. Weight (lbs.) |
Dome Open Area (sq. in.) |
| 2 - 4 | 26 | 103 |
| 5, 6 | 27 | 103 |
| 8 | 28 | 103 |
ENGINEERING SPECS: Zurn Z100-BS roof drain includes a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard and low-silhouette poly-dome with bronze mesh screen.
Outlet Types
| Outlet Type | Available Pipe Sizes (in.) |
Body Height Dimension (E) |
| Inside Caulk (IC) | 2 - 6, 8 | 5 1/4 in. |
| Threaded (IP) | 2 - 6, 8 | 3 3/4 in. |
| No-Hub (NH) | 2 - 6, 8 | 5 1/4 in. |
| Neo-Loc (NL) | 2 - 4 | 4 5/8 in. |
Dome Options
| Poly-Dome* with DCCI Body (Z) |
| 6 3/4 In. High Aluminum Dome with DCCI Body (ZA) |
| Cast Iron Dome with DCCI Body (ZC) |
| Plain Bronze Dome with DCCI Body (ZRB) |
*Regularly furnished unless otherwise specified
Available Accessories
| Angular Underdeck Clamp (-AC) | Roof Sump Receiver (-R) |
| Acid Resistant Epoxy Coated (-AR) | Secondary Clamping Collar (-SC) |
| 3/4 - 4 in. Adjustable Water Level Regulator (-AW) | Vandal-Proof Secured Top (-VP) |
| Underdeck Clamp (-C) | 2-in. Internal Water Dam (-W2) |
| Dex-o-Tex Flange (-DX) | 3-in. Internal Water Dam (-W3) |
| Static Extension (1 - 4-in.; specify height) (-E) | 4-in. Internal Water Dam (-W4) |
| Adjustable Extension Assembly (1 3/4 - 3 1/2 in.) (-EA) | Vertical Expansion Joint (-XJ) |
| Static Extension With Secondary Clamp at Collar Body (-ES) | Stainless Steel Perforated Gravel Guard (-84) |
| Galvanized Cast Iron (-G) | Stainless Steel Perforated Extension (-85) |
| Galvanized Cast Iron Dome (-GD) | 2-in. High External Water Dam (-89) |
| 6 3/4 in. High Aluminum Dome (148 sq. in. open area) (-HD) | 90° Threaded Side Outlet Body (2 - 4-in.) (-90) |